All sixteen visual-fidelity requirements have a green test (142 timeline + zeitstrahl + messages tests pass); record the implementation files and the test that proves each. Refs #833 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
All sixteen visual-fidelity requirements have a green test (142 timeline + zeitstrahl + messages tests pass); record the implementation files and the test that proves each. Refs #833 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>